Foldable trivet



FIG. 1 is a perspective view of a foldable trivet in its expanded position showing my new design;

FIG. 2 is a top view thereof; the bottom view being a mirror image thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a perspective view of a foldable trivet in its folded position. 

CLAIM The ornamental design for a foldable trivet, as shown and described. 